Frequency 01 : General. (See Related Term: Speed). The number of times an event (viz., complete cycle of motion) repeats itself per unit of time. (Bul 13C)
The Mudblogger (Oilfield, Energy and Related Photographs), Oil Field Glossary, TX, USA 2014. http://mudblogger.com/oilfield-glossary/, (Oil - Amer) {777}